Grenier and Lucas were spotted together in St Kilda second biggest sources today, after they have been seen at dinner in St Kilda Riva hot spot on Tuesday night. Since arriving in Australia last week Grenier has spent his time in Sydney, where it was connected to a series of high-profile Aussie women, including the actress Stephanie McIntosh.. HOLLYWOOD St Kilda superstar Adrian Grenier struck with his alleged former girlfriend, the Australian actress Isabel Luca.